Change log: Code now validates as XHTML 1.0 Transitional (thanks to Karen). Is only tested with Firefox and Internet Explorer though, but most probably works with all browsers. If you want to be sure, use version 1 (below).

Installation
Upload to plugin directory and activate through admin-section/plugins.

You have to register at wordpress.com in order to to get an api-key. You can register without creating a blog. It’s stupid YouTube asks for an API key with Self-Hosted WordPress blogs. They don’t need it at all. With Flickr you don’t have to provide an API key.[back]

[...] YouTube Brackets WordPress Plugin YouTube offers a service that sends a video you are watching to your blog. It does not send html-code to your blog, but a code like this: This works fine for blogs hosted on wordpress.com, but with standalone setups of wordpress it doesn’t work at all. That’s why the author of this plugin put this one together to make the bracket code work. I used the Quicktime posting plugin as a starter. Thank you, Shawn Van Every. [...]